mongoexport --db bigdata --collection bigdata_eventlog_TCTradeRoute001 --out ~/bigdata_eventlog_TCTradeRoute001.csv --csv  --username bigdata --password bigdata@touceng -f "eventBody.riskeventId,eventBody.orderId,eventBody.merchantID,eventBody.merchantNo,eventBody.orderAmount" 

-q '{"eventBody.basicInfo.time":{"$gt":"2018-08-10"}}'

mongoexport --db bigdata --collection bigdata_eventlog_TCTradeResult001 --out ~/bigdata_eventlog_TCTradeResult001.csv --csv --username bigdata --password bigdata@touceng -f "eventBody.riskEventId,eventBody.tradeStatus,eventBody.orderId,eventBody.basicInfo.time,eventBody.basicInfo.username" 
